Error creating a new project

[Fabricio.camara (FABRICIO LUIS CAMARA)]

Installer(.exe or .msi): exe

License type(Free, Trial/License code):yHZAiCBB9laJhrxYoP9MMQ==

Studio/Robot version: 2019.6

Current behavior:

Screenshot:

19.6.0+Branch.master.Sha.adf20656f41da84cdec5e5620b62276717eb7319

Method not found: ‘Void Newtonsoft.Json.Serialization.JsonDictionaryContract.set_DictionaryKeyResolver(System.Func`2<System.String,System.String>)’.

Cannot create new item: UiPath.Studio.Contracts.RecoverableException —> System.MissingMethodException: Method not found: 'Void Newtonsoft.Json.Serialization.JsonDictionaryContract.set_DictionaryKeyResolver(System.Func2<System.String,System.String>)'. at UiPath.Shared.JsonProjectParser.CamelCaseExceptDictionaryKeysResolver.CreateDictionaryContract(Type objectType) at Newtonsoft.Json.Serialization.DefaultContractResolver.CreateContract(Type objectType) at Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver.ResolveContract(Type type) at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.CalculatePropertyValues(JsonWriter writer, Object value, JsonContainerContract contract, JsonProperty member, JsonProperty property, JsonContract& memberContract, Object& memberValue) at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeObject(JsonWriter writer, Object value, JsonObjectContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty) at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue(JsonWriter writer, Object value, JsonContract valueContract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerProperty) at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize(JsonWriter jsonWriter, Object value, Type objectType) at Newtonsoft.Json.JsonSerializer.SerializeInternal(JsonWriter jsonWriter, Object value, Type objectType) at Newtonsoft.Json.JsonConvert.SerializeObjectInternal(Object value, Type type, JsonSerializer jsonSerializer) at UiPath.Project.WorkflowProject.ToJson() at UiPath.Project.WorkflowProjectRepository.<>c__DisplayClass8_0.<CreateNewJson>b__0() at System.Threading.Tasks.Task1.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Plugin.Workflow.Project.BaseWorkflowProjectFactory.d__33.MoveNext()
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Core.Services.PersistableServiceBase`3.d__18.MoveNext()
— End of inner exception stack trace —

[loginerror (Maciej Kuźmicz)]

Hi @Fabricio.camara

It looks like your Studio could have had trouble upgrading to the latest 2019.7.

Please follow this guide on how to reinstall it, it should surely fix the issue:

How to fix your Studio installation / Licensing issues

How to fix your Studio installation / Licensing issues If you encounter an issue with your Studio installation and or licensing issues, please follow the below procedure to re-install the most recent stable version of Studio. Before you start, you might want to backup your settings. Please follow this guide on how to do it: Studio Community Edition - how to properly backup your settings Install all latest Windows Updates. Uninstall Studio from Apps & Features menu: [image] Navi…

[Fabricio.camara (FABRICIO LUIS CAMARA)]

Boa noite.
@loginerror
Realizei o procedimento mas o erro ainda persiste.

[Fabricio.camara (FABRICIO LUIS CAMARA)]

@loginerror

Criei um novo Projeto em outra maquina e coloquei na maquina com erro e apareceu a mensagem abaixo:

19.4.4+Branch.support/v2019.4.Sha.6d308c7f5a32b559373887ae421ce7eaec8f8d24

Error detecting project version

Error: System.NotSupportedException: Error detecting project version
at UiPath.Project.ProjectData.WorkflowDataUpgrade.GetLatestProjectData(String projectContent, Dictionary2 availablePackages) at UiPath.Project.WorkflowProjectRepository.<>c__DisplayClass12_0.<Read>b__0() at System.Threading.Tasks.Task1.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Project.WorkflowProjectRepository.d__12.MoveNext()
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Plugin.Workflow.Project.ProjectJsonReader.d__4.MoveNext() in d:\a\1\s\Studio\UiPath.Studio.Plugin.Workflow\Project\Factory\ProjectJsonReader.cs:line 27
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Core.Services.PersistableServiceBase3.<GetFactoryByPath>d__21.MoveNext() in d:\a\1\s\Studio\UiPath.Studio.Core\CommonServices\PersistableServiceBase.cs:line 258 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at UiPath.Studio.Core.Services.PersistableServiceBase3.d__11.MoveNext() in d:\a\1\s\Studio\UiPath.Studio.Core\CommonServices\PersistableServiceBase.cs:line 0
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Core.Services.PersistableServiceBase`3.d__10.MoveNext() in d:\a\1\s\Studio\UiPath.Studio.Core\CommonServices\PersistableServiceBase.cs:line 0
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Shell.Services.OpenCloseCommandsService.d__18.MoveNext() in d:\a\1\s\Studio\UiPath.Studio.Shell\Services\OpenCloseCommandsService.cs:line 150
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Shell.Services.OpenCloseCommandsService.d__16.MoveNext() in d:\a\1\s\Studio\UiPath.Studio.Shell\Services\OpenCloseCommandsService.cs:line 121
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Shell.Services.OpenCloseCommandsService.d__14.MoveNext() in d:\a\1\s\Studio\UiPath.Studio.Shell\Services\OpenCloseCommandsService.cs:line 86
— End of stack trace from previous location where exception was thrown —
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at UiPath.Studio.Shell.ViewModels.MainWindowViewModel.d__206.MoveNext() in d:\a\1\s\Studio\UiPath.Studio.Shell\ViewModels\MainWindowViewModelCommands.cs:line 182, HResult -2146233067

[loginerror (Maciej Kuźmicz)]

Please make sure both machines have Studio 2019.4.4

Projects created in 2019.7.0 will not open on 2019.4.4.

[Fabricio.camara (FABRICIO LUIS CAMARA)]

Good Morning!
I am trying to create a new project and this error is appearing.